Patents by Inventor James C. Pieper

James C. Pieper has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Quick mounting snow plow assembly
    Patent number: 5353530
    Abstract: Detachably connecting a snow plow assembly (20) to a vehicle (22). The snow plow assembly includes a vehicle mount frame (28) and a lift assembly (30). The mount frame is for connecting to a vehicle frame (26) behind a front bumper (24). The lift assembly includes an A-frame (42) and a lift frame (44) with the forward end (70) of the A-frame for supporting a snow blade (40). Means (75) is provided for pivotally connecting a rear end (74) of the A-frame to the lift frame so that the A-frame is free to rotate relative to the lift frame. Additional means (82) is provided for releasably connecting the lift frame to the mount frame whereby the lift assembly can be attached to or detached from the mount frame as a single unit while leaving the mount frame connected to the vehicle.
    Type: Grant
    Filed: September 2, 1992
    Date of Patent: October 11, 1994
    Assignee: Douglas Dynamics, Inc.
    Inventor: James C. Pieper